Detections
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AlmaLinux 9 : openexr (ALSA-2026:86983)

high Nessus Plugin ID 370470

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:86983 advisory.

 * openexr: OpenEXR: Memory corruption and Denial of Service via crafted EXR file processing (CVE-2026-34544)
 * openexr: OpenEXR: Denial of Service or Information Disclosure via crafted EXR image file (CVE-2026-59982)
 * openexr: OpenEXR: Out-of-bounds write vulnerability via crafted EXR files (CVE-2026-59184)
 * openexr: OpenEXR: Information disclosure and denial of service due to out-of-bounds read (CVE-2026-59189)
 * openexr: OpenEXR: Information disclosure and denial of service via out-of-bounds read (CVE-2026-59981)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected openexr-devel package.

See Also

https://access.redhat.com/errata/RHSA-2026:86983

https://errata.almalinux.org/9/ALSA-2026-86983.html

Plugin Details

Severity: High

ID: 370470

File Name: alma_linux_ALSA-2026-86983.nasl

Version: 1.1

Type: Local

Published: 10/22/2026

Updated: 10/22/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.51

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-34544

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.6

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.4

Threat Score: 7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:alma:linux:9, cpe:/o:alma:linux:9::appstream, cpe:/o:alma:linux:9::baseos, cpe:/o:alma:linux:9::crb, cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::nfv, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::supplementary, p-cpe:/a:alma:linux:openexr-devel

Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 4/1/2026

Reference Information

CVE: CVE-2026-34544, CVE-2026-59184, CVE-2026-59189, CVE-2026-59981, CVE-2026-59982

CWE: 125, 787, 823

RHSA: 2026:86983